EP2422652B1 - Active dynamic seating device - Google Patents

Active dynamic seating device Download PDF

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Publication number
EP2422652B1
EP2422652B1 EP11075201.1A EP11075201A EP2422652B1 EP 2422652 B1 EP2422652 B1 EP 2422652B1 EP 11075201 A EP11075201 A EP 11075201A EP 2422652 B1 EP2422652 B1 EP 2422652B1
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EP
European Patent Office
Prior art keywords
moulded part
seat device
active dynamic
dynamic seat
carrier
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EP11075201.1A
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German (de)
French (fr)
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EP2422652A1 (en
Inventor
Antje Siedel
Dietrich Maier
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/0252—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame connected only by an elastic member positioned between seat and base frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/12—Chairs of special materials of plastics, with or without reinforcement
    • A47C5/125—Chairs of special materials of plastics, with or without reinforcement completely made of foam material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects

Definitions

  • the invention relates to an active dynamic seat device with a seat which is arranged on a support.
  • the seat balls are air-filled plastic balls whose elasticity is determined by the amount of air.
  • These seatballs create an ergonomically advantageous sitting position of the user, as this, when he sits on the ball, is forced to keep the balance. This means that the user is forced to make continuous compensatory movements, which trains the intervertebral discs and the musculature as a result of the constant alternation of loading and unloading. Postural deformations that are easily caused by misalignments when sitting static on a standard chair should therefore be avoided.
  • gymnastic balls have a large volume and therefore quite large dimensions, making them difficult to use as office furniture and visually not just contribute to beautification. Furthermore, there is a risk of rolling away with them, which can indeed be eliminated by appropriate retaining rings, but the spatial flexibility of the user is not limited in the direction vertical - but in the direction of horizontal axis.
  • the seat cushion is a cushion which is either filled with elastically resilient material or is designed as an air cushion made of plastic. This cushion is then placed on the normal office chair and allows a movement that corresponds to substantially horizontal displacement positions.
  • the chair according to this document consists mainly of foam and has a relatively simple design. It describes a substantially rigid bearing element with a seat and a bottom plate of, for example, metal, which is completely enveloped by an elastic bearing element, the foam, even on its outer surface.
  • the bottom plate according to this document acts as a tilting bearing. In a tilting movement of the chair also tilts the bottom plate and then compresses the elastic bearing element on one side below the bottom plate in the vertical direction, while on the other side of the dynamic seating device, the elastic bearing element below the bottom plate is loaded with train.
  • the stool according to the DE 196 20 725 named.
  • the stool according to this document is limited in the area of the seat and foot pivotable about a horizontal axis.
  • the pivotability is effected either by elastic rubber or plastic elements, spring elements or mounted in guide cages spherical caps.
  • the most well-known pivotable seating device is probably the "Swopper" to call, which is also available with a customized to the pelvic contours seat in the form of a saddle on the market.
  • a basic version of the "Swoppers" is for example in the DE 42 44 657 described.
  • the chair according to this document has in an intermediate piece below the seat part on a coil spring, which makes according to the weight of the user resilient the vertical height imaginable.
  • the desired hardness of the spring action for the elastic support and thus the size of the restoring forces for the horizontal amplitude can be regulated.
  • the active dynamic seat assembly according to the invention allows ergonomic sitting and the user a high degree of tilting movements due to the elasticity in the horizontal and vertical direction without that special, adjustable means such as coil springs, ball joints, arranged in guide cages calvaries, elastic rubber rings or similar construction elements are wide have to. Instead, the invention uses elastic foams. Foams can be processed easily and without great tooling costs.
  • the seat devices according to the invention are, because of their low weight and easy to lift or transport.
  • foams are the most important physical property of foams.
  • compression hardness or compression hardness accordinging to DIN 53577 or ISO 3386.
  • the foam is compressed by 40% and then measured the force to be applied.
  • the compressive strength of foams is often independent of the density or density (kg / m 2 ) of the foam.
  • a heavy foam therefore does not have to be a solid foam, but the density depends on the chemical additives used for the foaming.
  • Foams of polypropylene, polyethylene, polystyrene, polyethylene terephthalate or some biopolymers, for example latex, are primarily suitable for the invention.
  • Foams of polyurethane according to the invention prove to be particularly advantageous.
  • Polyurethane foams are widely dispersed in their physical properties and therefore available in a wide range of hardness and density. They are available in tailored form, but can also be made from the chemical ingredients on site ("molded-in-place foam").
  • the U-shaped seat according to the invention is further designed as a saddle seat with long and far down, ie guided to the bottom legs, as this form offers special ergonomic advantages.
  • the shape of a saddle, or horse's back, with pronounced thighs, automatically leads to a large angle between the spine and thighs. From the point of view of ergonomics, this open seat angle is one of the central factors for back-friendly sitting with relieved spinal discs, more freedom for the abdominal organs and thus for the user concentration and well-being.
  • the molded part is preferably arranged according to the invention on a mounting plate or fixedly connected thereto.
  • mounting plate and molding can be easily accommodated together in the furniture cover, the reference is releasably secured, for example by means of a hook and loop fastener.
  • the mounting plate-molding combination is then subsequently attached to the carrier.
  • the combination of the combination with the carrier can be done by gluing, screwing, riveting or else according to a specific embodiment of the invention by simply inserting the combination into the carrier.
  • corresponding connecting means are provided on the inside of the carrier, which correspond with connecting means on the assembly-molding combination.
  • a hollow rail or a groove is provided on the carrier, into which a corresponding guide rail provided on the combination element engages.
  • the carrier may be made of a variety of materials, such as wood, composite, metal, plastic, fabric or the like. Also, the shape of the carrier is not limited to flat rectangular plates.
  • a seat device 1 is shown, with an elastic molded part 2, which is covered with a fabric and forms a saddle stool.
  • the elastic properties of the entire seat device 1 result from the choice of material for the molded part 2.
  • a foam material of polypropylene, polyethylene, polystyrene, polyethylene terephthalate or some biopolymers, for example latex is preferred.
  • polyurethane foams prove to be particularly advantageous.
  • the molded part 2 is connected to the support 4 directed side with a mounting plate 3, for example by screwing, gluing or by the joint introduction into the fabric, which is closed by means of a Velcro connection.
  • the mounting plate 3 carrying the molded part 2 is then in turn connected to the carrier 4.
  • connection is made by the molded part 2 of the peripheral and curved two edge portions 6 and 6a of the carrier 4 positively clamped and secured by this clamping fit on the support 4 or is locked.
  • 4 castors 7 are provided on the bottom plate 5 of the carrier, which can also be provided with locking means, not shown, or brakes.
  • FIG. 2 a further embodiment of the active dynamic seat device according to the invention is shown.
  • the seat device 1 here has an intermediate piece 8a of a conventional gas spring 8, which is formed between the support 4, which acts as a bottom plate of the foot part 9, and the mounting plate 3 of the molded part 2.
  • the gas spring 8 is guided substantially within the molded part 2 and height adjustable via an actuating element, not shown.
  • FIG. 3 shows a variant of the embodiment of the FIG. 2 in which the intermediate piece 8a of the gas pressure spring 8 extends between the bottom plate 12 of the foot part 9 and the carrier 4.
  • the gas spring 8 is guided through the carrier 4, the bottom plate 3 inside the molded part 2.
  • FIG. 4 are arranged between the mounting plate 3 and the carrier 4 coil spring 10 and 10 a.
  • the arrangement of the coil springs an additional horizontal and vertical movement component for adjusting the seat is possible.
  • FIG. 5 is another embodiment according to the FIG. 4 shown, wherein the coil springs 10 and 10a here between the support 4 and the bottom plate 12 of the foot part 9 are arranged.
  • the active dynamic seat assembly according to the invention can be obtained by additional components different functions. It can table tops, lamps, brackets, etc. are placed in appropriate fasteners on the seat assembly or individual seating devices of the invention can be connected to each other via link rods and thus act as a toy in the form of a train.

Description

Die Erfindung betrifft eine aktivdynamische Sitzeinrichtung mit einem Sitz, der an einem Träger angeordnet ist.The invention relates to an active dynamic seat device with a seat which is arranged on a support.

Aktivdynamische Sitzeinrichtungen weisen instabile Sitze auf. Benutzer dieser Sitzeinrichtungen müssen infolgedessen aktiv werden, da eine Gleichgewichtsstellung hergestellt werden muss. Das heißt, die Rückenmuskulatur und die Bandscheiben werden beständig leicht bewegt. Diese Bewegung wird dadurch erzeugt, dass der Sitz der Sitzeinrichtung zumindest um einen oder auch mehrere, auch wechselnde Drehpunkte schwankt und damit wechselnde Positionen bei einer Gewichtsverlagerung einnimmt. Der Benutzer muss infolge dieser Lageveränderungen Kompensations-, beziehungsweise Balanceausgleichs- Positionen auf dem Sitz einnehmen.
Bekannte Einrichtungen der einfachsten Art, die ein ergonomisch korrektes Sitzen ermöglichen und damit Fehlstellungen des Körpers verhindern sollen, sind Sitzbälle oder Sitzkissen.Active-dynamic seats have unstable seats. As a result, users of these seat assemblies must become active, since an equilibrium position must be established. That is, the back muscles and discs are constantly moved easily. This movement is generated by the fact that the seat of the seat device varies at least one or more, even changing pivot points and thus assumes changing positions in a weight shift. The user must assume compensation or balance compensation positions on the seat as a result of these changes in position.
Known devices of the simplest kind, which allow ergonomically correct sitting and thus prevent malpositioning of the body, are seat balls or seat cushions.

Bei den Sitzbällen, den so genannten Pezzi- Bällen, handelt es sich um luftgefüllte Kunststoff - Bälle, deren Elastizität durch die Luftmenge bestimmt wird. Diese Sitzbälle erzeugen eine ergonomisch vorteilhafte Sitzstellung des Benutzers, indem dieser, wenn er auf dem Ball sitzt, gezwungen ist die Balance zu halten. Das bedeutet, der Benutzer wird zu andauernden Ausgleichsbewegungen gezwungen, wodurch die Bandscheiben und die Muskulatur infolge des dauernden Wechsels von Be- und Entlastung trainiert werden. Haltungsschäden, die durch Fehlstellungen beim statischen Sitzen auf einem üblichen Stuhl leicht entstehen, sollen somit vermieden werden.
Derartige Gymnastikbälle haben ein großes Volumen und damit auch ziemlich große Abmessungen, wodurch diese schwer als Büromöbel zu gebrauchen sind und auch optisch nicht gerade zur Verschönerung beitragen. Weiterhin besteht bei ihnen die Gefahr des Wegrollens, die zwar durch entsprechende Halteringe beseitigt werden kann, jedoch die räumliche Beweglichkeit des Benutzers zwar nicht in Richtung vertikaler -jedoch in Richtung horizontaler Achse- beschränkt.The seat balls, the so-called Pezzi balls, are air-filled plastic balls whose elasticity is determined by the amount of air. These seatballs create an ergonomically advantageous sitting position of the user, as this, when he sits on the ball, is forced to keep the balance. This means that the user is forced to make continuous compensatory movements, which trains the intervertebral discs and the musculature as a result of the constant alternation of loading and unloading. Postural deformations that are easily caused by misalignments when sitting static on a standard chair should therefore be avoided.
Such gymnastic balls have a large volume and therefore quite large dimensions, making them difficult to use as office furniture and visually not just contribute to beautification. Furthermore, there is a risk of rolling away with them, which can indeed be eliminated by appropriate retaining rings, but the spatial flexibility of the user is not limited in the direction vertical - but in the direction of horizontal axis.

Eine weitere einfache Ausführungsform der aktivdynamischen Sitzvorrichtungen ist das Sitzkissen.
Bei diesem handelt es sich um ein Kissen, welches entweder mit elastisch federndem Material gefüllt ist oder aber als ein Luftkissen aus Kunststoff ausgebildet ist. Dieses Kissen wird dann auf den normalen Bürostuhl gelegt und ermöglicht eine Bewegung, die im Wesentlichen horizontalen Verschiebungslagen entspricht.Another simple embodiment of the active dynamic seating devices is the seat cushion.
This is a cushion which is either filled with elastically resilient material or is designed as an air cushion made of plastic. This cushion is then placed on the normal office chair and allows a movement that corresponds to substantially horizontal displacement positions.

Eine weitere Ausführungsform einer aktivdynamischen Sitzvorrichtung, die Bewegungen in vertikaler und horizontale Richtung erlaubt, ist aus der DE 10 2006 047 704 bekannt. Dass Sitzmöbel gemäß dieser Schrift besteht hauptsächlich aus Schaumstoff und weist eine relativ einfache Bauart auf. Es beschreibt ein im Wesentlichen starres Lagerelement mit einer Sitz- und einer Bodenplatte aus beispielsweise Metall, welches von einem elastischen Lagerelement, dem Schaumstoff, vollständig, auch an seiner Außenfläche umhüllt ist. Die Bodenplatte gemäß dieser Schrift wirkt als ein Kipplager. Bei einer Kippbewegung des Sitzmöbels kippt auch die Bodenplatte und komprimiert dann das elastische Lagerelement einseitig unterhalb der Bodenplatte in vertikaler Richtung, während auf der anderen Seite der dynamischen Sitzvorrichtung das elastische Lagerelement unterhalb der Bodenplatte dagegen mit Zug belastet ist.Another embodiment of an active dynamic seating device that allows movements in the vertical and horizontal directions, is from the DE 10 2006 047 704 known. The chair according to this document consists mainly of foam and has a relatively simple design. It describes a substantially rigid bearing element with a seat and a bottom plate of, for example, metal, which is completely enveloped by an elastic bearing element, the foam, even on its outer surface. The bottom plate according to this document acts as a tilting bearing. In a tilting movement of the chair also tilts the bottom plate and then compresses the elastic bearing element on one side below the bottom plate in the vertical direction, while on the other side of the dynamic seating device, the elastic bearing element below the bottom plate is loaded with train.

Es gibt weiterhin noch eine Vielzahl von Schriften, die Sitzeinrichtungen beschreiben, die sowohl in vertikaler, horizontaler oder auch in beiden Richtungen beweglich sind.
Als Beispiel sei der Hocker gemäß der DE 196 20 725 benannt. Das Hockerbein gemäß dieser Schrift ist im Bereich des Sitzes und Fußes jeweils um eine horizontale Achse begrenzt schwenkbar. Die Verschwenkbarkeit wird entweder durch elastische Gummi- oder Kunststoffelemente, Federelemente oder durch in Führungskäfigen gelagerte Kugelkalotten bewirkt.There are still a variety of writings that describe seating devices that are movable in both vertical, horizontal or in both directions.
As an example, the stool according to the DE 196 20 725 named. The stool according to this document is limited in the area of the seat and foot pivotable about a horizontal axis. The pivotability is effected either by elastic rubber or plastic elements, spring elements or mounted in guide cages spherical caps.

Als bekannteste verschwenkbare Sitzeinrichtung ist wohl der "Swopper" zu nennen, der auch mit einer an die Beckenkonturen angepassten Sitzfläche in Form eines Sattels auf dem Markt verfügbar ist.The most well-known pivotable seating device is probably the "Swopper" to call, which is also available with a customized to the pelvic contours seat in the form of a saddle on the market.

Eine grundlegende Ausführung des "Swoppers" ist beispielsweise in der DE 42 44 657 beschrieben. Der Stuhl gemäß dieser Schrift weist in einem Zwischenstück unterhalb des Sitzteils eine Spiralfeder auf, die entsprechend dem Gewicht des Benutzers federnd die vertikale Höhe vorstellbar macht. Die horizontale Ausrichtung des Sitzes, also das Pendeln, erfolgt über eine das Zwischenstück umgreifende, ringförmige elastische Halterung, die am Fußteil des Sitzes angeordnet ist.A basic version of the "Swoppers" is for example in the DE 42 44 657 described. The chair according to this document has in an intermediate piece below the seat part on a coil spring, which makes according to the weight of the user resilient the vertical height imaginable. The horizontal orientation of the seat, so the commuting, via an intermediate piece encompassing, annular elastic support, which is arranged on the foot part of the seat.

Entsprechend der Position eines Verstellrings, der die elastische Halterung sowohl in vertikaler als auch in horizontaler Richtung zusammenpresst, kann die gewünschte Härte der Federwirkung für die elastische Halterung und damit die Größe der Rückstellkräfte für die Horizontalamplitude reguliert werden.According to the position of an adjusting ring, which compresses the elastic support in both the vertical and in the horizontal direction, the desired hardness of the spring action for the elastic support and thus the size of the restoring forces for the horizontal amplitude can be regulated.

Ein weiteres Beispiel für eine aktivdynamische Sitzeinrichtung ist aus US3476497 A bekannt.Another example of an active dynamic seating device is off US3476497A known.

Derartige Sitzvorrichtungen sind in ihrem Aufbau kompliziert, infolge der verwendeten Materialien, insbesondere infolge des Metalls, auch sehr schwer und teuer und der Sattelsitz ist hier nur mit kurzen, flachen Schenkeln angedeutet.Such seating devices are complicated in structure, as a result of the materials used, in particular as a result of the metal, also very difficult and expensive and the saddle seat is indicated here only with short, flat legs.

Ausgehend von obigem Stand der Technik ist es daher Aufgabe der vorliegenden Erfindung, eine aktivdynamische Sitzvorrichtung von hoher Bewegungs-Effektivität zu schaffen, die einfach in ihrer Konstruktion ist und die kostengünstig herstellbar ist.Based on the above prior art, it is therefore an object of the present invention to provide an active dynamic seat device of high motion efficiency, which is simple in construction and which is inexpensive to produce.

Gelöst wird diese Aufgabe mit den Merkmalen des Patentanspruchs 1. Vorzugsweise Ausgestaltungen ergeben sich aus den Unteransprüchen.This object is achieved with the features of claim 1. Preferably embodiments will be apparent from the dependent claims.

Die erfindungsgemäße aktivdynamische Sitzeinrichtung ermöglicht ein ergonomisches Sitzen und dem Benutzer einen hohen Grad an Kippbewegungen infolge der Elastizität in horizontaler und vertikaler Richtung ohne, dass hierfür besondere, verstellbare Mittel wie Spiralfedern, Kugelgelenke, in Führungskäfigen angeordnete Kalotten, elastische Gummiringe oder ähnliche Konstruktionselemente breit gestellt werden müssen. Stattdessen verwendet die Erfindung elastische Schaumstoffe. Schaumstoffe können leicht und ohne große Werkzeugkosten verarbeitet werden. Die erfindungsgemäßen Sitzvorrichtungen sind, wegen ihres geringen Gewichts auch problemlos anzuheben oder zu transportieren.The active dynamic seat assembly according to the invention allows ergonomic sitting and the user a high degree of tilting movements due to the elasticity in the horizontal and vertical direction without that special, adjustable means such as coil springs, ball joints, arranged in guide cages calvaries, elastic rubber rings or similar construction elements are wide have to. Instead, the invention uses elastic foams. Foams can be processed easily and without great tooling costs. The seat devices according to the invention are, because of their low weight and easy to lift or transport.

Die wichtigste physikalische Eigenschaft von Schaumstoffen ist jedoch die Stauchhärte oder Compression hardness (nach DIN 53577 bzw. ISO 3386). Hierfür wird der Schaum um 40 % zusammendrückt und dann die dabei aufzubringende Kraft gemessen.
Die Stauchhärte ist bei Schaumstoffen oft unabhängig von der Dichte oder auch dem Raumgewicht (kg/m2) des Schaums. Ein schwerer Schaumstoff muss daher kein fester Schaumstoff sein, sondern die Dichte ist abhängig von den für die Schäumung verwendeten chemischen Zusätzen.However, the most important physical property of foams is the compression hardness or compression hardness (according to DIN 53577 or ISO 3386). For this purpose, the foam is compressed by 40% and then measured the force to be applied.
The compressive strength of foams is often independent of the density or density (kg / m 2 ) of the foam. A heavy foam therefore does not have to be a solid foam, but the density depends on the chemical additives used for the foaming.

Für die Erfindung sind vorrangig Schäume aus Polypropylen, Polyethylen, Polystyrol, Polyethylenterephthalt oder einige Biopolymere, beispielsweise Latex, geeignet. Als besonders vorteilhaft erweisen sich erfindungsgemäß Schäume aus Polyurethan. Polyurethan-Schaumstoffe sind in ihren physikalischen Eigenschaften weit gestreut und daher in einem breiten Härte- und Dichtebereich verfügbar.
Sie sind in zugeschnittener Form verfügbar, können aber aus den chemischen Bestandteilen auch vor Ort hergestellt werden ("Formed-in-Place-Foam").Foams of polypropylene, polyethylene, polystyrene, polyethylene terephthalate or some biopolymers, for example latex, are primarily suitable for the invention. Foams of polyurethane according to the invention prove to be particularly advantageous. Polyurethane foams are widely dispersed in their physical properties and therefore available in a wide range of hardness and density.
They are available in tailored form, but can also be made from the chemical ingredients on site ("molded-in-place foam").

Der erfindungsgemäße U-förmige Sitz ist weiterhin als ein Sattelsitz mit langen und weit nach unten, das heißt zum Boden geführten Schenkeln ausgebildet, da diese Form besondere ergonomische Vorteile bietet.
Die Form eines Sattels, beziehungsweise Pferderückens, mit ausgeprägten Schenkeln, führt automatisch zu einem großen Winkel zwischen Wirbelsäule und Oberschenkeln. Dieser offene Sitzwinkel ist aus Sicht der Ergonomie einer der zentralen Faktoren für rückenschonendes Sitzen mit entlasteten Bandscheiben, mehr Freiheit für die Bauchorgane und damit verbunden sind für den Benutzer Konzentrationsverbesserungen und Wohlbefinden.The U-shaped seat according to the invention is further designed as a saddle seat with long and far down, ie guided to the bottom legs, as this form offers special ergonomic advantages.
The shape of a saddle, or horse's back, with pronounced thighs, automatically leads to a large angle between the spine and thighs. From the point of view of ergonomics, this open seat angle is one of the central factors for back-friendly sitting with relieved spinal discs, more freedom for the abdominal organs and thus for the user concentration and well-being.

Das Formteil ist nach der Erfindung bevorzugt auf einer Montageplatte angeordnet oder mit dieser fest verbunden. Hierfür können Montageplatte und Formteil einfach zusammen in dem Möbelbezug untergebracht werden, wobei der Bezug beispielsweise mittels eines Klettverschlusses lösbar befestigt ist.The molded part is preferably arranged according to the invention on a mounting plate or fixedly connected thereto. For this purpose, mounting plate and molding can be easily accommodated together in the furniture cover, the reference is releasably secured, for example by means of a hook and loop fastener.

Die Montageplatte-Formteil Kombination wird dann anschließend an dem Träger befestigt. Die Verbindung der Kombination mit dem Träger kann durch Kleben, Schrauben, Vernieten
oder aber auch entsprechend einer speziellen erfindungsgemäßen Ausführungsform durch einfaches Einschieben der Kombination in den Träger erfolgen.
Zu diesem Zweck sind an der Innenseite des Trägers entsprechende Verbindungsmittel vorgesehen, die mit Verbindungsmittel an der Montage-Formteil Kombination korrespondieren.
Beispielsweise ist am Träger eine Hohlschiene oder eine Nut vorgesehen, in die eine entsprechende Führungsleiste, die am Kombinationselement vorgesehen, eingreift.The mounting plate-molding combination is then subsequently attached to the carrier. The combination of the combination with the carrier can be done by gluing, screwing, riveting
or else according to a specific embodiment of the invention by simply inserting the combination into the carrier.
For this purpose, corresponding connecting means are provided on the inside of the carrier, which correspond with connecting means on the assembly-molding combination.
For example, a hollow rail or a groove is provided on the carrier, into which a corresponding guide rail provided on the combination element engages.

Bei dieser Art von Bauweise ist es möglich, das Formteil schnell und einfach innerhalb des Trägers zu platzieren.
Das bedeutet, dass der Benutzer selbst entsprechend seinen Wünschen, Formteile unterschiedlicher Elastizität austauschen kann und somit auch die physikalischen Eigenschaften seiner dynamischen Sitzvorrichtung je nach Bedarf selbst variieren kann.With this type of construction, it is possible to quickly and easily place the molded part within the carrier.
This means that the user can replace himself according to his wishes, moldings of different elasticity and thus can vary the physical properties of his dynamic seating device itself as needed.

Der Träger kann aus den unterschiedlichsten Materialien hergestellt sein, beispielsweise aus Holz, Verbundstoff, Metall, Kunststoff, Gewebe oder dergleichen. Auch die Form des Trägers ist nicht auf flache rechteckige Platten begrenzt.The carrier may be made of a variety of materials, such as wood, composite, metal, plastic, fabric or the like. Also, the shape of the carrier is not limited to flat rectangular plates.

Die Erfindung wird nachfolgend anhand der in den Zeichnungen dargestellten Ausführungsbeispiele näher erläutert. In den Zeichnungen sind entsprechende Querschnitte dargestellt und dabei zeigen:

  • Fig.: 1 eine auseinandergezogene Darstellung eines Ausführungsbeispiele einer erfindungsgemäßen aktivdynamischen Sitzeinrichtung auf Lenkrollen,
  • Fig.: 2 ein weiteres Beispiel einer aktivdynamischen Sitzeinrichtung nach der Erfindung mit einer Gasdruckfeder zur zusätzlichen Höhenverstellung, die sich auf dem Träger als ein Element des Fußteils abstützt innerhalb des Formteils verläuft,
  • Fig.: 3 eine Variante entsprechend der Figur 2, wobei die Gasdruckfeder sich auf einer Bodenplatte des Fußteils abstützt und durch den Träger und durch die Montageplatte hindurch zum Inneren des Formteils gelangt,
  • Fig.: 4 eine erfindungsgemäße dynamische Sitzeinrichtung, bei der die Elastizität in vertikaler Richtung durch zwischen dem Träger und der Montageplatte angeordnete Spiralfedern zusätzlich verstärkt ist,
  • Fig.: 5 eine Ausführungsform entsprechend der Figur 4, wobei die Spiralfedern hier zwischen dem Fußteil und Träger angeordnet sind.
The invention will be explained in more detail with reference to the embodiments illustrated in the drawings. In the drawings, corresponding cross sections are shown and show:
  • Fig .: 1 an exploded view of an embodiment of an active dynamic seating device according to the invention on castors,
  • Fig .: 2 another example of an active dynamic seat assembly according to the invention with a gas spring for additional height adjustment, which is supported on the support as an element of the foot part runs within the molding,
  • Fig .: 3 a variant according to the FIG. 2 wherein the gas spring is supported on a bottom plate of the foot part and passes through the carrier and through the mounting plate to the interior of the molded part,
  • Fig .: 4 a dynamic seat device according to the invention, in which the elasticity in the vertical direction is additionally reinforced by spiral springs arranged between the carrier and the mounting plate,
  • Fig .: 5 an embodiment according to the FIG. 4 , wherein the coil springs are arranged here between the foot and the carrier.

Entsprechend der Figur 1 ist eine Sitzeinrichtung 1 dargestellt, mit einem elastischen Formteil 2, welches mit einem Bezugsstoff ummantelt ist und einen Sattelhocker ausbildet. In diesem Ausführungsbeispiel resultieren die elastischen Eigenschaften der gesamten Sitzeinrichtung 1 aus der Materialauswahl für das Formteil 2.According to the FIG. 1 a seat device 1 is shown, with an elastic molded part 2, which is covered with a fabric and forms a saddle stool. In this exemplary embodiment, the elastic properties of the entire seat device 1 result from the choice of material for the molded part 2.

Wie schon zuvor erwähnt wird ein Schaumstoffmaterial aus Polypropylen, Polyethylen, Polystyrol, Polyethylenterephthalt oder einigen Biopolymeren, beispielsweise Latex, bevorzugt. Als besonders vorteilhaft erweisen sich jedoch Schäume aus Polyurethan.As previously mentioned, a foam material of polypropylene, polyethylene, polystyrene, polyethylene terephthalate or some biopolymers, for example latex, is preferred. However, polyurethane foams prove to be particularly advantageous.

Sollten an unterschiedlichen Teilen des Sattelhockers unterschiedliche physikalische Elastizitäten und/oder Rückstellkräfte vom Benutzer gewünscht werden, so könnten auch verschiedene Schaumstoffmaterialien miteinander kombiniert werden oder es könnten auch Sprungfedern oder elastische Gummielemente in den Schaumstoff eingearbeitet werden.If different physical elasticities and / or restoring forces are desired by the user on different parts of the saddle stool, different foam materials could also be combined with one another, or spring springs or elastic rubber elements could also be incorporated into the foam.

Das Formteil 2 ist an der zum Träger 4 gerichteten Seite mit einer Montageplatte 3, beispielsweise durch Verschraubung, Verkleben oder durch die gemeinsame Einbringung in den Bezugsstoff, welcher mittels einer Klettverbindung geschlossen wird, verbunden. Die das Formteil 2 tragende Montageplatte 3 wird dann wiederum mit dem Träger 4 verbunden.The molded part 2 is connected to the support 4 directed side with a mounting plate 3, for example by screwing, gluing or by the joint introduction into the fabric, which is closed by means of a Velcro connection. The mounting plate 3 carrying the molded part 2 is then in turn connected to the carrier 4.

Im Ausführungsbeispiele erfolgt die Verbindung, indem das Formteil 2 von den umlaufenden und gebogenen zwei Randabschnitten 6 und 6a des Trägers 4 formschlüssig eingeklemmt und durch diesen Klemmsitz an dem Träger 4 befestigt oder auch arretiert wird.
Infolge dieser Klemmsitz- Befestigung ist aber auch ein leichter Austausch des Formteils 2 der Sitzeinrichtung 1 möglich, so dass die erfindungsgemäße aktivdynamische Sitzeinrichtung 1 schnell an die unterschiedlichen individuellen Wünsche eines Benutzers angepasst werden kann.
Im Ausführungsbeispiel sind an der Bodenplatte 5 des Trägers 4 Lenkrollen 7 vorgesehen, die auch mit nicht dargestellten Arretiermitteln oder Bremsen versehen sein können.In the embodiments, the connection is made by the molded part 2 of the peripheral and curved two edge portions 6 and 6a of the carrier 4 positively clamped and secured by this clamping fit on the support 4 or is locked.
As a result of this Klemmsitz- attachment but also an easy replacement of the molding 2 of the seat device 1 is possible, so that the active dynamic seat assembly 1 according to the invention can be adapted quickly to the different individual needs of a user.
In the exemplary embodiment, 4 castors 7 are provided on the bottom plate 5 of the carrier, which can also be provided with locking means, not shown, or brakes.

In der Figur 2 ist eine weitere Ausführungsform der erfindungsgemäßen aktiv dynamischen Sitzeinrichtung dargestellt.
Die Sitzeinrichtung 1 weist hier ein Zwischenstück 8a einer üblichen Gasdruckfeder 8 auf, welches zwischen dem Träger 4, der als Bodenplatte des Fußteils 9 fungiert, und der Montageplatte 3 des Formteils 2 ausgebildet ist.
Die Gasdruckfeder 8 ist im Wesentlichen innerhalb des Formteils 2 geführt und über ein nicht dargestelltes Betätigungselement höhenverstellbar.In the FIG. 2 a further embodiment of the active dynamic seat device according to the invention is shown.
The seat device 1 here has an intermediate piece 8a of a conventional gas spring 8, which is formed between the support 4, which acts as a bottom plate of the foot part 9, and the mounting plate 3 of the molded part 2.
The gas spring 8 is guided substantially within the molded part 2 and height adjustable via an actuating element, not shown.

Die Figur 3 zeigt eine Variante der Ausführung nach der Figur 2, bei der das Zwischenstück 8a der Gasdruckfeder 8 zwischen der Bodenplatte 12 des Fußteils 9 und dem Träger 4 verläuft.
Die Gasdruckfeder 8 ist durch den Träger 4, die Bodenplatte 3 hindurch innerhalb des Formteils 2 geführt.The FIG. 3 shows a variant of the embodiment of the FIG. 2 in which the intermediate piece 8a of the gas pressure spring 8 extends between the bottom plate 12 of the foot part 9 and the carrier 4.
The gas spring 8 is guided through the carrier 4, the bottom plate 3 inside the molded part 2.

Entsprechend der Figur 4 sind zwischen der Montageplatte 3 und dem Träger 4 Spiralfeder 10 und 10a angeordnet. Durch die Anordnung der Spiralfedern ist eine zusätzliche horizontale und vertikale Bewegungskomponente zur Verstellung des Sitzes ermöglicht.According to the FIG. 4 are arranged between the mounting plate 3 and the carrier 4 coil spring 10 and 10 a. The arrangement of the coil springs an additional horizontal and vertical movement component for adjusting the seat is possible.

In der Figur 5 ist eine andere Ausführungsform entsprechend der Figur 4 gezeigt, wobei die Spiralfedern 10 und 10a hier zwischen dem Träger 4 und der Bodenplatte 12 des Fußteils 9 angeordnet sind.In the FIG. 5 is another embodiment according to the FIG. 4 shown, wherein the coil springs 10 and 10a here between the support 4 and the bottom plate 12 of the foot part 9 are arranged.

Somit ist für die erfindungsgemäße Sitzeinrichtung 1 eine zusätzliche Elastizität sowohl in vertikaler als auch in horizontaler Richtung durch eine Kombination von unterschiedlichen Bauelementen gegeben.Thus, for the seat device 1 according to the invention an additional elasticity is given in both the vertical and in the horizontal direction by a combination of different components.

Es ist auch möglich, den Bewegungsradius der erfindungsgemäßen Sitzeinrichtung, beispielsweise durch die Vorsehung eines Kugelgelenks zu erhöhen.It is also possible to increase the range of movement of the seat device according to the invention, for example by the provision of a ball joint.

Die aktivdynamische Sitzeinrichtung nach der Erfindung kann durch Zusatzbauteile unterschiedliche Funktionen erhalten. Es können Tischplatten, Lampen, Halterungen usw. in entsprechenden Befestigungselementen an der Sitzeinrichtung platziert sein oder aber einzelne erfindungsgemäße Sitzeinrichtungen können über Gelenkstangen miteinander verbunden sein und so beispielsweise als Spielzeug in Form eines Eisenbahnzuges fungieren.The active dynamic seat assembly according to the invention can be obtained by additional components different functions. It can table tops, lamps, brackets, etc. are placed in appropriate fasteners on the seat assembly or individual seating devices of the invention can be connected to each other via link rods and thus act as a toy in the form of a train.

Gemäß der Erfindung wird infolge des Sattelsitzes mit ausgeprägten U-förmigen Schenkeln eine speziell gerichtete, gespreizte Aufstellung der Füße für die Balancehaltung erreicht, die in Kombination mit der gegebenen Elastizität eine ergonomisch wichtige Bedeutung hat.
Diese Kombination sorgt für eine besondere Ausgleichsbewegung in Muskelbereichen, die bei herkömmlichen aktivdynamischen Sitzeinrichtungen nicht aktiviert werden.
Die Ausgleichsbewegungen führen zu einer Korrektur der Haltung des Benutzers und Verspannungen werden vermieden.According to the invention, as a result of the saddle seat with pronounced U-shaped legs, a specially directed, spread-out positioning of the feet for balance posture is achieved, which in combination with the given elasticity has an ergonomically important meaning.
This combination provides a special compensatory movement in muscle areas that are not activated in conventional active-dynamic seating devices.
The compensatory movements lead to a correction of the user's posture and tensions are avoided.

Claims (13)

  1. Active dynamic seat device with a seat arranged on a carrier, said seat being designed as an elastic moulded part and having an upwardly convexly domed shape,
    wherein the elasticity of the moulded part (2) is determined by the material selection and the volume of the moulded part (2) in such a way that during use horizontal pendular movements and/or vertical up and down movements of the moulded part (2) are made possible, characterised in that
    - the moulded part (2) is designed as a saddle seat and the contour of the moulded part (2) is inversely U-shaped in cross-section and wherein the saddle has sides which are long and extend far downwards, i.e. to the ground.
  2. Active dynamic seat device according to claim 1 characterised in that the moulded part (2) is made of a foam of polypropylene, polyethylene, polyethylene terephtalate or a biopolymer, for example latex, and preferably of a polyurethane fcam.
  3. Active dynamic seat device according to claim 1 or 2 characterised in that in order to optimise the physical properties, more particularly the resorting force, various foam materials of different elasticity are combined into one moulded part (2).
  4. Active dynamic seat device according to claim 1, 2 or 3 characterised in that additional elastic reinforcement elements such as coil springs, rubber buffers or similar components are arranged within the material of the moulded part (2).
  5. Active dynamic seat device according to claim 1, 2, 3 or 4 characterised in that the moulded part (2) is arranged on an mounting plate (3).
  6. Active dynamic seat device according to claim 1, 2, 3, 4 or 5 characterised in that the moulded part (2) is detachably connected to the carrier (4) so that through simple exchange the moulded part (2) can be replaced by a further moulded part (2) of different elasticity.
  7. Active dynamic seat device according to claim 1, 2, 3, 4, 5 and 6 characterised in that the carrier (4) as a base surface (5), at least one side of which has a curved edge/edge section or sections (6, 6a) which grip(s) the moulded part (2) from behind in such a way that the moulded part (2) can be firmly fastened to the carrier (4) in a detachable manner.
  8. Active dynamic seat according to any one of the preceding claims 1 to 7 characterised in that the moulded part (2) is connected with a foot section (9) via at least one movable intermediate component (8), for example a spherical joint, a rubber element, a spiral spring (10, 1.0a) or a gas-pressurised spring (11) for additional horizontal and/or vertical position-changing of the moulded part (2).
  9. Active dynamic seat device according to any one of the preceding claims 1 to 8 characterised in that the foot section (9) has a base plate (12) or the carrier (4) constitutes the plate (12) at the same time.
  10. Active dynamic seat device according to any one of the preceding claims characterised in that additional
    moving elements, for example swivel castors (7) are arranged on the foot section (9).
  11. Active dynamic seat device according to any one of claims 1 to 10 characterised in that several seat devices (1) can be connected to each other via connection elements, for example joint rods.
  12. Active dynamic seat device according to any one of claims 1 to 11 characterised in that on the seat device (1) additional elements are provided for holding, for example, tables, trays, lighting appliances and similar objects.
  13. Active dynamic seat device according to any one of claims 1 to 12 characterised in that the moulded part (2) is assembled from individual separate modules which allow additional height-adjustment of the seat device (1).
EP11075201.1A 2010-08-30 2011-08-30 Active dynamic seating device Not-in-force EP2422652B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010036226A DE102010036226B4 (en) 2010-08-30 2010-08-30 Active dynamic seating device
DE202010012129U DE202010012129U1 (en) 2010-08-30 2010-08-30 Active dynamic seating device

Publications (2)

Publication Number Publication Date
EP2422652A1 EP2422652A1 (en) 2012-02-29
EP2422652B1 true EP2422652B1 (en) 2016-08-10

Family

ID=46318762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11075201.1A Not-in-force EP2422652B1 (en) 2010-08-30 2011-08-30 Active dynamic seating device

Country Status (2)

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EP (1) EP2422652B1 (en)
DE (2) DE202010012129U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011106873U1 (en) * 2011-10-15 2013-01-18 Schmitz-Werke Gmbh + Co. Kg Seating furniture with a beanbag
DK4056072T3 (en) 2021-03-12 2023-06-19 Thomas Schmidt SEATING FURNITURE

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB634621A (en) * 1948-03-04 1950-03-22 Sydney Robert Collyer Improvements in and relating to spring-upholstered cushions or seats
GB1035619A (en) * 1964-11-09 1966-07-13 Sherborne Pouffes Ltd Improvements in or relating to pouffes or stools
US3476497A (en) * 1967-08-04 1969-11-04 Ring Sidney B Furniture
DE2708427C3 (en) * 1977-02-26 1979-12-20 Sono-Werkzeugbau Gmbh, 5880 Luedenscheid Device for connecting furniture feet, in particular upholstered seating elements
US5419613A (en) * 1991-09-30 1995-05-30 Wayne L. Corbell Chair-mounted platform for adjustably support control devices
DE4210098C2 (en) * 1992-03-27 1995-10-19 Josef Gloeckl Active dynamic seat device
DE9421950U1 (en) * 1994-02-25 1997-07-17 Hailer Achim Dipl Architekt Seating
DE19620725A1 (en) * 1996-05-23 1997-12-04 Loos Karl Heinrich Chair to prevent spine and joint damage caused by incorrect posture
DE202006016212U1 (en) * 2006-09-22 2008-02-14 GLÖCKL, Josef Ergonomic seat
DE102006047704B4 (en) * 2006-10-09 2009-01-22 Löffler Bürositzmöbel GmbH Foam seat has foam body with harder core embedded between upper seat surface and lower support surface
DE202007014915U1 (en) * 2007-10-24 2008-01-17 Tepe-Walser, Silvia ball stool

Also Published As

Publication number Publication date
EP2422652A1 (en) 2012-02-29
DE102010036226B4 (en) 2013-12-12
DE102010036226A1 (en) 2012-03-01
DE202010012129U1 (en) 2010-12-02

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